Finding the Fourth Proportional to 135,093.24, 186,412.50 and 74,655.66
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Solution
The fourth proportional to 135,093.24, 186,412.50 and 74,655.66 is: 103,015.87
Step by Step Solution
- Step 1: Write the proportion equation
135,093.24 : 186,412.50 = 74,655.66 : x - Step 2: Convert to fraction form
135,093.24/186,412.50 = 74,655.66/x - Step 3: Cross multiply
135,093.24x = 186,412.50 × 74,655.66 - Step 4: Simplify right side
135,093.24x = 13,916,748,219.75 - Step 5: Solve for x
x = 13,916,748,219.75/135,093.24 - Step 6: Final answer
x = 103,015.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.